US2974772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable stamp vending and money changing machine
Assignee: ELECTRIC VENDORS Inc
•
Filing: 1956-02-13
•
Granted: 1961-03-14
•
Expires: 1976-02-13
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Zeigle
- 👤 James C Vance
- 👤 Paul J Nieland
- 👤 Wilburn M Bloomquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:39
CPC Classifications
G; G07; G07F; G07F5/00; G07F5/24; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/2063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1635451A
Cited
US2230486A
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US2323255A
Cited
US2590736A
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US2708996A
Cited
US2658171A
Cited
US2659471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |